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Finding the Fourth Proportional to 529,760.64, 731,340.14 and 358,583.24

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Solution

The fourth proportional to 529,760.64, 731,340.14 and 358,583.24 is: 495,027.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,760.64 : 731,340.14 = 358,583.24 : x
  2. Step 2: Convert to fraction form
    529,760.64/731,340.14 = 358,583.24/x
  3. Step 3: Cross multiply
    529,760.64x = 731,340.14 × 358,583.24
  4. Step 4: Simplify right side
    529,760.64x = 262,246,317,839.71
  5. Step 5: Solve for x
    x = 262,246,317,839.71/529,760.64
  6. Step 6: Final answer
    x = 495,027.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.